Finding the Fourth Proportional to 156,583.08, 234,874.62 and 45,775.08
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Solution
The fourth proportional to 156,583.08, 234,874.62 and 45,775.08 is: 68,662.62
Step by Step Solution
- Step 1: Write the proportion equation
156,583.08 : 234,874.62 = 45,775.08 : x - Step 2: Convert to fraction form
156,583.08/234,874.62 = 45,775.08/x - Step 3: Cross multiply
156,583.08x = 234,874.62 × 45,775.08 - Step 4: Simplify right side
156,583.08x = 10,751,404,520.47 - Step 5: Solve for x
x = 10,751,404,520.47/156,583.08 - Step 6: Final answer
x = 68,662.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.